John Patrick Spiegel was American psychiatrists, and expert on violence and combat stress and the 103rd President of the American Psychiatric Association.
Spiegel was born in Chicago, Illinois, attended Dartmouth College and graduated in 1934.
He received his medical degree in 1938 from Northwestern University School of Medicine. He later taught at the University of Chicago and Harvard University, and practiced medicine at Michael Reese Hospital. During World World War II, he served as a medical officer in the Army Air Corps.
He joined the faculty of Brandeis University, where he headed the Lemberg Center for the Study of Violence from 1966 to 1979.
Spiegel"s grand-daughter is National Public Radio correspondent Alix Spiegel. He died on July 17, 1991 in Cambridge, Massachusetts.